It has always been easy to hate and destroy. To build and to cherish is much more difficult.

Old minds are like old horses; you must exercise them if you wish to keep them in working order.

你已经足够好了。

做出伟大工作的唯一方法是热爱你所做的事情。

The ratio of positive to negative emotions that predicts flourishing is about 3 to 1. Above that ratio, people tend to flourish; below it, they tend to languish.